The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant ?

Related Mcqs:

Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate ?

A. CO B. SO2 C. NOx D. CFC (chloro fluoro carbons)...

The Killer gas which caused Bhopal gas tragedy in 1984 was________________?

A. Phosgene B. Methyl isocyanate (MIC) C. Carbon monoxide D. Sulphur dioxide...

Maximum permissible turbidity in potable water is _____________ ppm?

A. 1 B. 10 C. 250 D. 1000...

Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes_________________?

A. Paralysis of muscles & loss of appetite B. Nervous depression C. Gastritis and diarrhea D. All A., B. and C....

Limestone powder is injected during pulverised coal burning in boilers to ______________ the flue gases?

A. Reduce SO2 content in B. Catalytically convert SO2 to SO3 in C. Increase the dew point of D. None of these...